Solve the problem.A rectangular sheet of perimeter 27 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?

A. x = 11 cm; y =  cm
B. x = 8 cm; y =  cm
C. x = 9 cm; y =  cm
D. x = 10 cm; y =  cm


Answer: C

Mathematics

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